/* * Copyright (c) 2003-2010 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_FREE_COPYRIGHT@ * */ #include <mach/mach.h> #include <mach/mach_init.h> #include <stdarg.h> #include "string.h" int (*vprintf_stderr_func)(const char *format, va_list ap); #define __STDERR_FILENO 2 int write(int fd, const char* cbuf, int nbyte); /* This function allows the writing of a mach error message to an * application-controllable output method, the default being to * use printf if no other method is specified by the application. * * To override, set the global function pointer vprintf_stderr to * a function which takes the same parameters as vprintf. */ __private_extern__ int fprintf_stderr(const char *format, ...) { va_list args; int retval; va_start(args, format); if (vprintf_stderr_func == NULL) { char buffer[1024]; retval = _mach_vsnprintf(buffer, sizeof(buffer), format, args); write(__STDERR_FILENO, buffer, retval); } else { retval = (*vprintf_stderr_func)(format, args); } va_end(args); return retval; }